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1
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A raw iron.
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2
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A metamorphic rock that once was limestone.
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4
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This property alone will not always help to identify a mineral.
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7
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Any rock or mineral that has a valuable substance.
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11
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Scientists who inventory and monitor the Earth's fresh water.
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13
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Specialists who study earthquakes.
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14
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This property is determined when some mineral powder is left on a tile.
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15
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Study mineral formations.
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16
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Minerals that can be glassy, pearly, or dull.
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18
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This property describes the way light reflects off a mineral's surface.
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20
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A monument to George Washington made of marble from different quarries.
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21
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A rock that looks like red clay.
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23
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Sedimentary rock with layers of calcium carbonate.
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25
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Geologists who study the ocean's floor.
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26
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A memorial to honor veterans and made of black granite.
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27
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A valuable mineral found in ore.
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28
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The mixture of copper and tin.
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29
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This mineral is made into steel.
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30
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Used to make elctric wires.
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